Question

How can I fill some database field with value, returned by mysql function?

In Yii(PHP) I wrote something like

$post->my_time=new CDbExpression(‘NOW()’)

How can I do that with Rails 3 ActiveRecord?
Thanks

Answer 1

You can get the result of a MySQL function with select_value

ActiveRecord::Base.connection.select_value('SELECT NOW()')

Or you can run update() to store the value directly.

But it’s generally not recommended to use complex database logic with ActiveRecord.